The GMC Sierra EV AT4 brings off-road chops, massive electric range, towing, and truck usefulness! With a sizeable price tag. Worth it? #KBB #GMC #SierraEV Follow: https://www.instagram.com/kbb_com About Kelley Blue Book: https://kbb.com is the trusted resource for fun and informative new car review videos, comparison tests, & auto show coverage. For anyone who is shopping for or simply loves cars, trucks, SUVs, and minivans, KBB is here to help.